Home / 421,097.68-631,896.60-155,045.12

Finding the Fourth Proportional to 421,097.68, 631,896.60 and 155,045.12

Calculator

Solution

The fourth proportional to 421,097.68, 631,896.60 and 155,045.12 is: 232,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,097.68 : 631,896.60 = 155,045.12 : x
  2. Step 2: Convert to fraction form
    421,097.68/631,896.60 = 155,045.12/x
  3. Step 3: Cross multiply
    421,097.68x = 631,896.60 × 155,045.12
  4. Step 4: Simplify right side
    421,097.68x = 97,972,484,174.59
  5. Step 5: Solve for x
    x = 97,972,484,174.59/421,097.68
  6. Step 6: Final answer
    x = 232,659.76

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.